Marvin Siebert focuses on the consumer and luxury goods sectors as well as retail. His clients include owner and family-run companies, as well as international corporations. Before joining Friisberg & Partners, Marvin Siebert had already worked for a renowned, international executive search consultancy. He complemented his business studies with an MBA program in Business Psychology. For many years, Marvin Siebert has been dealing with the systemic concept of evidence-based personnel diagnostics for the prediction of professional successes and performance.